Remove/install electronic stability program (ESP) control unit - AR42.45-P-0820RT

MODEL 251 

Fig 1: Identifying Electronic Stability Program (ESP) Control Unit Remove/Install Components

Courtesy of MERCEDES-BENZ USA

MODIFICATION NOTES

4.8.06

Disconnect ground line discontinued

	Remove/install
	Notes on avoiding damage to electronic components due to electrostatic discharge	All models	AH54.00-P-0001-01A
1	Read out coding of ESP control unit (N47-5) by means of STAR DIAGNOSIS system	Only when replacing the ESP control unit (N47-5) and if it can still be read out with the STAR DIAGNOSIS system.
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
		STAR DIAGNOSIS system	*WH58.30-Z-1048-13A
2	Open engine hood		AR88.40-P-1000RT
3	Unlock and disconnect electrical connector (1) from ESP control unit (N47-5)	Push cover locks upwards (arrows A) and fold cover upwards (arrow B).
4	Unscrew bolt (2)
5	Pull ESP control unit (N47-5) forwards off hydraulic unit
6	Install in the reverse order
7	Code the ESP control unit (N47-5) by means of STAR DIAGNOSIS system	Only when installing a new ESP control unit (N47-5).
		STAR DIAGNOSIS system	*WH58.30-Z-1048-13A
8	Perform basic programming		AR00.19-P-0200RT

COMMERCIALLY AVAILABLE TOOLS

Number	Designation
WH58.30-Z-1048-13A	STAR DIAGNOSIS system, Compact Passenger Car	6511 1801 00